RedCrab Version V4.13

Online User Manual

The RedCrab Calculator User's Guide can be found here.
It contains descriptions for handling and more than 250 math functions.

The online help for the individual functions can be called up directly from the program with a mouse click or with the F1 key

Upgrade RedCrab PLUS

The shareware RedCrab PLUS extends the range of functions with additional functions for statistics,
finances, matrices and special applications, as well as calculating with complex numbers and units of measure.
Plotting of 2D graphics and charts.